document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=525501>Question 525501</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the standard equation for the circle. Then state the coordinates of its center and give its radius.\r<BR>\n" );
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document.write( "X^2+y^2=4y=12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #348131 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=348131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the standard equation for the circle. Then state the coordinates of its center and give its radius. X^2+y^2=4y=12<BR>\n" );
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document.write( "Assume the \"=\" sign before the 4y should be \"-\"<BR>\n" );
document.write( "Standard equation of a circle of the form: (x-h)^2+(y-k)^2=r^2, (h,k) being the (x,y) coordinates of the center, r=radius<BR>\n" );
document.write( "x^2+y^2-4y=12<BR>\n" );
document.write( "completing the square<BR>\n" );
document.write( "x^2+(y^2-4y+4)=12+4=16<BR>\n" );
document.write( "x^2+(y-4)^2=16<BR>\n" );
document.write( "For given equation of a circle:<BR>\n" );
document.write( "center:(0,4)<BR>\n" );
document.write( "radius=&#8730;16=4 </SPAN>\n" );
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